Marco Colombo (co-author) is an environmental guide, scuba diving master, TV scientific consultant, and wildlife and underwater photographer. His photographs and articles have appeared in National Geographic, BBC Wildlife, Nat'Images, and elsewhere. Colombo has won multiple categories in the Natural History Museum, London’s Wildlife Photographer of the Year competition. He is the author of more than ten books about biodiversity and conservation issues, a frequent speaker, and a university instructor. Francesco Tomasinelli (co-author) is a freelance biologist, science communicator, and photographer. As a photojournalist, he has joined several scientific expeditions in the Tropics and has documented various conservation programs in Italy and abroad. Tomasinelli has written more than three hundred magazine articles and fifteen books on natural sciences, served as an animal expert for Italian television, worked as an instructor for various learning institutions, including Università di Genova, Pavia, dell’Insubria, and Politecnico di Milano, and created a number of scientific exhibitions. Giulia De Amicis (illustrator) is a designer and illustrator who presents complex information through infographics, data visualization, cartography, and illustration. She focuses on projects related to environmental issues, marine conservation, animal welfare, human rights, and human geography for clients including newspapers, research institutes, NGOs, and the educational sector. De Amicis has illustrated several picture books for National Geographic Kids and other publishers. She works and lives in Brighton, UK. Craig Foster (foreword) is the director of the 2020 Academy Award–winning documentary My Octopus Teacher and author of Underwater Wild: My Octopus Teacher's Extraordinary World (2021).
